isci: Removing deprecated functions

Removed all callbacks in the deprecated.c. Core will call the appropriate
functions directly.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/scsi/isci/sata.c b/drivers/scsi/isci/sata.c
index 19b0eea..6fbf159 100644
--- a/drivers/scsi/isci/sata.c
+++ b/drivers/scsi/isci/sata.c
@@ -324,7 +324,7 @@
 
 	/* Leave SRST high for a bit. */
 	#define ISCI_SRST_ASSERT_DELAY 100 /* usecs */
-	scic_cb_stall_execution(ISCI_SRST_ASSERT_DELAY);
+	udelay(ISCI_SRST_ASSERT_DELAY);
 
 	/* Deassert SRST. */
 	isci_task_build_tmf(&tmf, isci_device, isci_tmf_sata_srst_low,